I5-6600K Ram question

Skreeps

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May 27, 2016
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I just want to know if I5-6600k can support ddr4 2400Mhz Cas12 @1.35v or if i should go with one at 2133Mhz Cas14 @1.2v since on their site it says it supports 1866/2133Mhz pre-overclocked but from what i've seen isnt the one at 1.35v already overclocked? so does the I5-6600k support that stick?
 
Solution
Has more to do with the motherboard chosen,but i assume you get a Z170 motherboard with that.With such a motherboard could you go even faster with ram.Nice 2666mhz sets are to be gotten for decent prices and will be supported fine as well.
There may come speed where you need to overclock the cpu to support that speed though,so looking for let's say 3200mhz ram might it need an overclock of the cpu to reach that speed.

Efrain96

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May 11, 2014
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Heloo Skreeps,

Typically when RAM is higher than what the processor supports, what happens is that the RAM(or motherboard) adjusts its speed and voltage automatically to accomodate what the processor can support to its maximum specification. I am pretty sure that whichever RAM you will use will no doubt work with your CPU.
 

Vic 40

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Has more to do with the motherboard chosen,but i assume you get a Z170 motherboard with that.With such a motherboard could you go even faster with ram.Nice 2666mhz sets are to be gotten for decent prices and will be supported fine as well.
There may come speed where you need to overclock the cpu to support that speed though,so looking for let's say 3200mhz ram might it need an overclock of the cpu to reach that speed.
 
Solution

Skreeps

Commendable
May 27, 2016
15
0
1,510

Yes my motherboard is z170-a so i'll have better speeds with the 2400mhz Cas12 @1.35v than the other one?

 
Ram speeds supported will be determined by the motherboard.
Here is a nice article on skylake ram scaling:
http://www.silentpcreview.com/article1478-page1.html
Assuming you have a discrete graphics card, it makes relatively little difference in actual app performance.
One thing I have noticed is that ram that needs to run at higher than the default 1.2v will possibly reduce your cpu overclock by a multiplier.
Ram is getting better. I think I would look for ram that runs at 1.2v. As a figure of merit, divide the speed by the cas number. Higher is better. You will probably end up with 2400 speed cas 14.
 

Vic 40

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They use a gt 640 for their gaming benchmarks which you can hardly call a gaming gpu so i hope you don't mind that i take this with a grain of salt. I've seen benchmarks with a very high and gpu where there were differences depending on the game played.

In the end was the real question, "does my cpu support higher than 2133mhz ram?" and yes it does providing that the motherboard has the "Z" chipset.
 

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